Run results for: concat vs unshift

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.115 Safari/537.36

Browser: Chrome 92

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
arrayUnshift123	21976.5 Ops/sec
arrayConcat123	577.1 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: